Home / 82,664.92-123,898.96-57,569.08

Finding the Fourth Proportional to 82,664.92, 123,898.96 and 57,569.08

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Solution

The fourth proportional to 82,664.92, 123,898.96 and 57,569.08 is: 86,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,664.92 : 123,898.96 = 57,569.08 : x
  2. Step 2: Convert to fraction form
    82,664.92/123,898.96 = 57,569.08/x
  3. Step 3: Cross multiply
    82,664.92x = 123,898.96 × 57,569.08
  4. Step 4: Simplify right side
    82,664.92x = 7,132,749,140.16
  5. Step 5: Solve for x
    x = 7,132,749,140.16/82,664.92
  6. Step 6: Final answer
    x = 86,285.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.